FRIZZELLI, Rino.
 COPD and Unexplained Hypoxaemia: a combination to be explored.
<strong>Medical Research Archives</strong>, [S.l.], v. 11, n. 11, nov. 2023.
ISSN 2375-1924.
Available at: &lt;<a href="https://esmed.org/MRA/mra/article/view/4648" target="_new">https://esmed.org/MRA/mra/article/view/4648</a>&gt;. Date accessed: 21 nov. 2024.
doi: <a href="https://doi.org/10.18103/mra.v11i11.4648">https://doi.org/10.18103/mra.v11i11.4648</a>.